397  
CDUS45 KBYZ 220940  
CLIBIL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
340 AM MDT SUN OCT 22 2023  
   
...............................
 
 
   
..THE BILLINGS MT CLIMATE SUMMARY FOR OCTOBER 21 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1934 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 59 356 PM 85 2003 56 3 67  
MINIMUM 41 648 AM 19 1949 35 6 44  
1981  
1984  
AVERAGE 50 46 4 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.08 1953 0.04 -0.04 0.05  
1975  
MONTH TO DATE 1.25 1.04 0.21 0.44  
SINCE OCT 1 1.25 1.04 0.21 0.44  
SINCE JAN 1 16.32 12.81 3.51 13.67  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.3 1975 0.2 -0.2 0.0  
MONTH TO DATE 0.0 2.8 -2.8 0.0  
SINCE SEP 1 0.0 3.1 -3.1 T  
SINCE JUL 1 T 3.1 -3.1 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 15 19 -4 9  
MONTH TO DATE 200 317 -117 186  
SINCE SEP 1 276 485 -209 252  
SINCE JUL 1 292 521 -229 258  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 3 1 2 0  
SINCE SEP 1 83 63 20 137  
SINCE JAN 1 715 658 57 910    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 1100 PM  
LOWEST 44 100 PM  
AVERAGE 58  
   
......................................................
 
 
THE BILLINGS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 56 80 1939  
MINIMUM TEMPERATURE (F) 35 20 2002  
2020  
 
SUNRISE AND SUNSET  
OCTOBER 22 2023.......SUNRISE 740 AM MDT SUNSET 616 PM MDT  
OCTOBER 23 2023.......SUNRISE 741 AM MDT SUNSET 615 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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